DGX icon

Quest Diagnostics

1,051 hedge funds and large institutions have $20B invested in Quest Diagnostics in 2026 Q1 according to their latest regulatory filings, with 121 funds opening new positions, 347 increasing their positions, 373 reducing their positions, and 89 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

more funds holding in top 10

Funds holding in top 10:

more first-time investments, than exits

New positions opened: | Existing positions closed:

more capital invested

Capital invested by funds: $ → $

0% more funds holding

Funds holding: 1,0461,051 (+5)

7% less repeat investments, than reductions

Existing positions increased: 347 | Existing positions reduced: 373

2.74% less ownership

Funds ownership: 95.54%92.8% (-2.7%)

Holders
1,051
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
4
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$96.9M
Puts
$40.5M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
MC
626
Moors & Cabot
Massachusetts
$415K
S
627
SimplyRich
California
$413K
TRCT
628
Tower Research Capital (TRC)
New York
$407K
Koshinski Asset Management
629
Koshinski Asset Management
Illinois
$404K
GC
630
Guggenheim Capital
Illinois
$400K
JGUA
631
John G. Ullman & Associates
New York
$398K
SWP
632
Sagespring Wealth Partners
Tennessee
$397K
GWA
633
Gratus Wealth Advisors
Virginia
$394K
FHA
634
Flagship Harbor Advisors
Massachusetts
$394K
BPWM
635
BCS Private Wealth Management
New Jersey
$392K
HIC
636
Holderness Investments Company
North Carolina
$392K
CCG
637
Cypress Capital Group
Florida
$392K
CIC
638
Chilton Investment Company
Connecticut
$392K
CFS
639
Commonwealth Financial Services
West Virginia
$388K
EFM
640
E Fund Management
China
$384K
BCM
641
Brookstone Capital Management
Illinois
$382K
FAT
642
First American Trust
California
$375K
SCA
643
Snowden Capital Advisors
New York
$375K
SLA
644
Silver Lake Advisory
Utah
$374K
SAM
645
S.A. Mason
Michigan
$372K
GF
646
Gabelli Funds
New York
$372K
BBHC
647
Brown Brothers Harriman & Co
New York
$368K
OKSA
648
O'Keefe Stevens Advisory
New York
$367K
WANY
649
Wealthspire Advisors (New York)
New York
$367K
ONST
650
Old North State Trust
North Carolina
$363K